Puncture-proof-tube protector for automobile-tires



v. HARVEY Am) 0. s1. HARDING.

PUNCTURE PROOF TUBE PROTECTOR FOR AUTOMOBILE TIRES.

APPLICATION FILEI] THY I8. IOZI.

1,396,200. Patented Nov. 8, 1921.

to. or semi circular in cross section shaped the slots of the other endof the tube, Where-- EARVEY AI II) CHARLES D. HARDING, O PLATTEVELLEJ,IMIf-i-SQURL FUN'CTUBE-PROQF-TUBE PROTECTOR FOR A'UTOMGBILE-TIRE g pgvggw Specification of Letters Patent. Patente i NGV. S, 1%;21.

Application filed May 18, 19561. Serial No. 4270,6853.

f" alien/10m it may conoqm: a T-shaped tongue 6 and opposite slots 7 ofit known that we, VIVIAN HARVEY and substantially the wiclth. as thesiot 5 QB'AFLES D HARDING, citizens of the United in member 2. Stet-esresiding at Plstteville, in the county In operation the free ends ftongue 6 49 of Grant and Sta e of Missouri, have inventinserted throughthe slots 8 in either side ed a new and useful Puncture-Proof-Tube ofthe tongue 4} as illustrated in Figs. 2- and Froteotor forAutomobile-Tires, of which 3. A smooth but expsnsible 21nd coiinectiblcthe following is a specification. joint thus formed. object of ourinvention is to-provide We are aware that tire protectors have ii? aneiiicie-nt puncture proof tube protector heretofore been devisedutilizing rivets but having a novel fastening meensthat will not suchdevices make so large a joint tha they injure the inner tube and whichwill perprove very cumbersome, cause too great mit of e degree ofexpansion and conti'ec- Wear and tear on the tube, and do not admit'tion neeessery when the device is in use on of the necessary expansion1 contraction 15 rough. roads. which noeles our device pr 'cl one and Weattain the objects of our invention by which by reason of the smoothoint attained the mechanism illustrated in the seoompanyand the freedomto expand and 'ltf'dCil in: drz'iwings in w1ich withou'ilinjuring therubber eiIB cosficutes 1 gore 1 is a side eievation of 8. portion asubstantial imorovement in the art P4 of 1e invention inoluoing thejoint; "What we claim l 2 is a bottom plan of same; An annular metaltire tube protector f. i" a transverse section through the semhcirculsrin cross section and :lilepted to ine of Fig. 2; and fit smoothly overthe inner tube of the tire,

.i i is bottom plan of the device clisthe protector having a jointformed on inter- 60 eon-necteo lt the joint. locking ends, said joinronrisfing o" e long- Like numerals designate like parts in each tudineltongue formed of an uppromnutel the several views. U-sheped slot in oneend the tube proto the accompanying drawings teo'toiwand :1 short shapedongue lowing t i aOVidB suitable metal annular tube prothe free ends ofsaid tongue inserted through to over the inner tube hi a tire and by toform an entirely some having a joint connecting the ends 1 free fromprojections to i and of the proteetor. The end 2 is protubeancl arrangedsubstenmm vided with longiincliz'iel s'ots 3 and a trans- Eifi verseconnecting siot 5 forming a, longitudi- VIVIAI? HA3 Zliti tongue The end1 1s provided with CHif-LRLES

